125712113 has 12 divisors (see below), whose sum is σ = 133136640. Its totient is φ = 118683576.

The previous prime is 125712101. The next prime is 125712157. The reversal of 125712113 is 311217521.

It is not a de Polignac number, because 125712113 - 2⁸ = 125711857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125712173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172556 + ... + 173282.

It is an arithmetic number, because the mean of its divisors is an integer number (11094720).

Almost surely, 2^125712113 is an apocalyptic number.

It is an amenable number.

125712113 is a deficient number, since it is larger than the sum of its proper divisors (7424527).

125712113 is an equidigital number, since it uses as much as digits as its factorization.

125712113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1225 counting only the distinct ones).

The product of its digits is 420, while the sum is 23.

The square root of 125712113 is about 11212.1413209074. The cubic root of 125712113 is about 500.9476866452.

Adding to 125712113 its reverse (311217521), we get a palindrome (436929634).

The spelling of 125712113 in words is "one hundred twenty-five million, seven hundred twelve thousand, one hundred thirteen".